The voter registration deadline for the upcoming Republican Primary is Monday.
Yankton County Auditor Patty Hojem says that voters must get registered at the Yankton County Government Center by 5 p.m. Monday.
There are two candidates running for South Dakota Senate, Lauren Nelson and incumbent Jean Hunhoff.
There are three candidates for the House of Representatives, Yankton County Commission Chair John Marquardt, and incumbents Mike Stevens and Julie Auch.
The South Dakota Republican Primary is June 4th.